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Use FVector4 for plane in struct Surface

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RaveYard 2023-08-31 22:34:36 +02:00 committed by Christoph Oelckers
parent 9635a9f4fb
commit fc2704b902
2 changed files with 25 additions and 24 deletions
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39
src/rendering/hwrenderer/doom_levelmesh.cpp
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@ -305,14 +305,15 @@ void DoomLevelMesh::CreateFloorSurface(FLevelLocals &doomMap, subsector_t *sub,
Surface surf;
surf.bSky = IsSkySector(sector, sector_t::floor);
secplane_t plane;
if (!is3DFloor)
{
surf.plane = sector->floorplane;
plane = sector->floorplane;
}
else
{
surf.plane = sector->ceilingplane;
surf.plane.FlipVert();
plane = sector->ceilingplane;
plane.FlipVert();
}
surf.numVerts = sub->numlines;
@ -327,12 +328,13 @@ void DoomLevelMesh::CreateFloorSurface(FLevelLocals &doomMap, subsector_t *sub,
verts[j].X = v1.X;
verts[j].Y = v1.Y;
verts[j].Z = (float)surf.plane.ZatPoint(verts[j]);
verts[j].Z = (float)plane.ZatPoint(verts[j]);
}
surf.type = ST_FLOOR;
surf.typeIndex = typeIndex;
surf.controlSector = is3DFloor ? sector : nullptr;
surf.plane = FVector4(plane.Normal().X, plane.Normal().Y, plane.Normal().Z, plane.D);
Surfaces.Push(surf);
}
@ -342,14 +344,15 @@ void DoomLevelMesh::CreateCeilingSurface(FLevelLocals &doomMap, subsector_t *sub
Surface surf;
surf.bSky = IsSkySector(sector, sector_t::ceiling);
secplane_t plane;
if (!is3DFloor)
{
surf.plane = sector->ceilingplane;
plane = sector->ceilingplane;
}
else
{
surf.plane = sector->floorplane;
surf.plane.FlipVert();
plane = sector->floorplane;
plane.FlipVert();
}
surf.numVerts = sub->numlines;
@ -364,12 +367,13 @@ void DoomLevelMesh::CreateCeilingSurface(FLevelLocals &doomMap, subsector_t *sub
verts[j].X = v1.X;
verts[j].Y = v1.Y;
verts[j].Z = (float)surf.plane.ZatPoint(verts[j]);
verts[j].Z = (float)plane.ZatPoint(verts[j]);
}
surf.type = ST_CEILING;
surf.typeIndex = typeIndex;
surf.controlSector = is3DFloor ? sector : nullptr;
surf.plane = FVector4(plane.Normal().X, plane.Normal().Y, plane.Normal().Z, plane.D);
Surfaces.Push(surf);
}
@ -531,7 +535,7 @@ int DoomLevelMesh::SetupLightmapUvs(int lightmapSize)
surfaces.push_back(std::move(hwSurface));
SurfaceInfo info;
info.Normal = FVector3(surface.plane.Normal());
info.Normal = surface.plane.XYZ();
info.PortalIndex = 0;
info.SamplingDistance = surface.sampleDimension;
info.Sky = surface.bSky;
@ -662,11 +666,11 @@ BBox DoomLevelMesh::GetBoundsFromSurface(const Surface& surface) const
return bounds;
}
DoomLevelMesh::PlaneAxis DoomLevelMesh::BestAxis(const secplane_t& p)
DoomLevelMesh::PlaneAxis DoomLevelMesh::BestAxis(const FVector4& p)
{
float na = fabs(float(p.Normal().X));
float nb = fabs(float(p.Normal().Y));
float nc = fabs(float(p.Normal().Z));
float na = fabs(float(p.X));
float nb = fabs(float(p.Y));
float nc = fabs(float(p.Z));
// figure out what axis the plane lies on
if (na >= nb && na >= nc)
@ -683,7 +687,6 @@ DoomLevelMesh::PlaneAxis DoomLevelMesh::BestAxis(const secplane_t& p)
void DoomLevelMesh::BuildSurfaceParams(int lightMapTextureWidth, int lightMapTextureHeight, Surface& surface)
{
secplane_t* plane;
BBox bounds;
FVector3 roundedSize;
FVector3 tOrigin;
@ -691,7 +694,7 @@ void DoomLevelMesh::BuildSurfaceParams(int lightMapTextureWidth, int lightMapTex
int height;
float d;
plane = &surface.plane;
const FVector4& plane = surface.plane;
bounds = GetBoundsFromSurface(surface);
surface.bounds = bounds;
@ -712,7 +715,7 @@ void DoomLevelMesh::BuildSurfaceParams(int lightMapTextureWidth, int lightMapTex
FVector3 tCoords[2] = { FVector3(0.0f, 0.0f, 0.0f), FVector3(0.0f, 0.0f, 0.0f) };
PlaneAxis axis = BestAxis(*plane);
PlaneAxis axis = BestAxis(plane);
switch (axis)
{
@ -770,13 +773,13 @@ void DoomLevelMesh::BuildSurfaceParams(int lightMapTextureWidth, int lightMapTex
tOrigin = bounds.min;
// project tOrigin and tCoords so they lie on the plane
d = float(((bounds.min | FVector3(plane->Normal())) - plane->D) / plane->Normal()[axis]); //d = (plane->PointToDist(bounds.min)) / plane->Normal()[axis];
d = ((bounds.min | FVector3(plane.X, plane.Y, plane.Z)) - plane.W) / plane[axis]; //d = (plane->PointToDist(bounds.min)) / plane->Normal()[axis];
tOrigin[axis] -= d;
for (int i = 0; i < 2; i++)
{
tCoords[i].MakeUnit();
d = (tCoords[i] | FVector3(plane->Normal())) / plane->Normal()[axis]; //d = dot(tCoords[i], plane->Normal()) / plane->Normal()[axis];
d = (tCoords[i] | FVector3(plane.X, plane.Y, plane.Z)) / plane[axis]; //d = dot(tCoords[i], plane->Normal()) / plane->Normal()[axis];
tCoords[i][axis] -= d;
}

10
src/rendering/hwrenderer/doom_levelmesh.h
View file

@ -19,7 +19,7 @@ struct Surface
int numVerts;
unsigned int startVertIndex;
unsigned int startUvIndex;
secplane_t plane;
FVector4 plane;
sector_t *controlSector;
bool bSky;
@ -86,13 +86,11 @@ private:
static bool IsSkySector(sector_t* sector, int plane);
static bool IsControlSector(sector_t* sector);
static secplane_t ToPlane(const FVector3& pt1, const FVector3& pt2, const FVector3& pt3)
static FVector4 ToPlane(const FVector3& pt1, const FVector3& pt2, const FVector3& pt3)
{
FVector3 n = ((pt2 - pt1) ^ (pt3 - pt2)).Unit();
float d = pt1 | n;
secplane_t p;
p.set(n.X, n.Y, n.Z, d);
return p;
return FVector4(n.X, n.Y, n.Z, d);
}
static FVector2 ToFVector2(const DVector2& v) { return FVector2((float)v.X, (float)v.Y); }
@ -110,7 +108,7 @@ private:
AXIS_XY
};
static PlaneAxis BestAxis(const secplane_t& p);
static PlaneAxis BestAxis(const FVector4& p);
BBox GetBoundsFromSurface(const Surface& surface) const;
inline int AllocUvs(int amount) { return LightmapUvs.Reserve(amount * 2); }